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| Season | Age | Team | G | GS | Snap Counts | Defense | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Off | Off% | Def | Def% | ST | ST% | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | |||||
| 2011 | — | NYG | 1 | — | — | — | — | — | — | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2013 | — | PHI | 16 | — | 1,095 | 99.2% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2014 | — | PHI | 12 | — | 828 | 93.9% | — | 0.0% | 6 | 17.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2014 | — | NYG | 2 | — | — | — | — | — | — | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2015 | — | PHI | 16 | — | 1,156 | 100.0% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2015 | — | NYG | 1 | — | — | — | — | — | — | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2016 | — | PHI | 16 | — | 1,131 | 100.0% | — | 0.0% | 8 | 8.7% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2017 | — | PHI | 16 | — | 1,079 | 94.9% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2018 | — | PHI | 16 | — | 1,037 | 93.5% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2018 | — | WAS | 1 | — | — | — | — | — | — | — | 1 | 0 | 1 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2019 | — | PHI | 16 | — | 1,163 | 99.9% | — | 0.0% | 1 | 3.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2019 | — | WAS | 2 | — | — | — | — | — | — | — | 2 | 2 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2020 | — | PHI | 16 | — | 1,125 | 99.6% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2020 | — | GB | 1 | — | — | — | — | — | — | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2021 | — | PHI | 17 | — | 993 | 89.3% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2022 | — | PHI | 17 | — | 1,151 | 97.5% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2023 | — | PHI | 17 | — | 1,108 | 96.4% | — | 0.0% | — | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 183 | — | 11,866 | 96.8% | — | 0.0% | 15 | 9.6% | 7 | 6 | 1 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | |
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | 24 | NYG | 1 | — | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2014 | 27 | NYG | 2 | 2* | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2015 | 28 | NYG | 1 | 1* | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2018 | 31 | WAS | 1 | 1* | 1 | 0 | 1 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2019 | 32 | WAS | 2 | 2* | 2 | 2 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2020 | 33 | GB | 1 | 1* | 1 | 1 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| Career | 8 | 7* | 7 | 6 | 1 | 0 | 0 | — | — | 0 | 0 | 0 | — | 0 | 0 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
| Season | Age | Team | G | GS | Off | Off% | Def | Def% | ST | ST% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 26 | PHI | 16 | 16* | 1,095 | 99.2% | — | 0.0% | — | 0.0% |
| 2014 | 27 | PHI | 12 | 11* | 828 | 93.9% | — | 0.0% | 6 | 17.0% |
| 2015 | 28 | PHI | 16 | 16* | 1,156 | 100.0% | — | 0.0% | — | 0.0% |
| 2016 | 29 | PHI | 16 | 16* | 1,131 | 100.0% | — | 0.0% | 8 | 8.7% |
| 2017 | 30 | PHI | 16 | 15* | 1,079 | 94.9% | — | 0.0% | — | 0.0% |
| 2018 | 31 | PHI | 16 | 15* | 1,037 | 93.5% | — | 0.0% | — | 0.0% |
| 2019 | 32 | PHI | 16 | 16* | 1,163 | 99.9% | — | 0.0% | 1 | 3.0% |
| 2020 | 33 | PHI | 16 | 16* | 1,125 | 99.6% | — | 0.0% | — | 0.0% |
| 2021 | 34 | PHI | 17 | 15* | 993 | 89.3% | — | 0.0% | — | 0.0% |
| 2022 | 35 | PHI | 17 | 17* | 1,151 | 97.5% | — | 0.0% | — | 0.0% |
| 2023 | 36 | PHI | 17 | 16* | 1,108 | 96.4% | — | 0.0% | — | 0.0% |
| Career | 175 | 169* | 11,866 | — | — | — | 15 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Production per snap — the box score normalized by opportunity. SIS is z-scored within offensive line, shrinkage-regularized so small samples don't spike, over the NFL snap-count era (2012+).
Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Cincinnati), but no parsed college box-score table is present in this profile artifact. The section stays here so every profile has a consistent college-stats landing point without fabricating unavailable rows.
Career teammates and draft class, derived from year-by-year rosters — every name is linked.
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Last recorded season with PHI
Joined PHI (from NYG)
Drafted by PHI — Round 6, Pick 191
Joined NYG (from PHI)
From nflverse weekly injury reports · coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2018 | PHI | 0 | W17Questionable· Knee |
| 2015 | PHI | 0 | W12Questionable· Knee |
| 2014 | PHI | 3 | W4Out· HerniaW5Out· HerniaW6Out· HerniaW8Questionable· Hernia |
StatVault's proprietary player intelligence, informed by full career data. How Knox works →
Career durability — games played vs. scheduled, across 12 seasons.
Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:combine, nflverse:draft_picks, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 6/18/2026
Fan Rating
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Calibrated Hall-of-Fame probability — fit against actual enshrinement. See all →
What carries the case
Monitor score 111 · components sum to the score (All-Pro ×12 · Pro Bowl ×3 · League Lead ×4 · ranks/era/longevity weighted).
To reach 50% HOF probability (score target: 110.8 · current: 111 · gap: -0.2)
Paths ranked cheapest first · accolade-based, data-calibrated vs actual enshrinement
David Alexander
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88% match
2011 Draft ClassmatesFull class →
Gave the Philadelphia Eagles an entire corpus-attributed career — 11 seasons (2013–2023), one crest. The rarest loyalty in the sport.